// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    Step 4 of defineProperty calls the [[DefineOwnProperty]] internal method
    of O to define the property. For non-configurable properties, step 10.a.ii.1
    of [[DefineOwnProperty]] rejects changing the value of non-writable properties.
es5id: 15.2.3.6-4-17
description: >
    Object.defineProperty throws TypeError when changing value of
    non-writable non-configurable data properties
---*/

function Test() {
    var o = {};

// create a data valued property; all other attributes default to false.
    var d1 = {
      value: 101
    };
    Object.defineProperty(o, "foo", d1);

// now, trying to change the value of "foo" should fail, since both
    var desc = {
      value: 102
    };
    assert.throws(TypeError, function() {
      Object.defineProperty(o, "foo", desc);
    });
// the property should remain unchanged.
    var d2 = Object.getOwnPropertyDescriptor(o, "foo");

    assert.sameValue(d2.value, 101, 'd2.value');
    assert.sameValue(d2.writable, false, 'd2.writable');
    assert.sameValue(d2.enumerable, false, 'd2.enumerable');
    assert.sameValue(d2.configurable, false, 'd2.configurable');
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
